Sunday, February 15, 2009

A desktop Foucalt's pendulum

''Foucalt’s pendulum–a 28 kilogram bob suspended on a 67 metre wire– famously hangs in the Pantheon in Paris where Leon Foucalt himself demonstrated it in 1851.
They’ve tested their idea on a 3 metre pendulum and say it works well. They end their paper saying: “We plan to further test this method on even shorter pendula, since there is no lower limit at which the model given here should apply.”
'' [source]

And you can even buy one here.

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